2 Ergebnisse.

Stem cells are the foundation cells for every organ, tissue and cell in the body. They are like a blank microchip that can ultimately be programmed to perform any number of specialised tasks. Stem cells are undifferentiated, "blank" cells that do not yet have a specific function. Under proper conditions, stem cells begin to develop into specialised tissues and organs. Additionally, stem cells are self-sustaining and can replicate themselves fo...

This study introduces, for the first time, the dynamic technological methodology in Arctic archaeology and contains an investigation of the lithic chaines operatoires (the different stages of tool production from the acquisition of raw material to the final abandonment of the used objects) and lithic concepts of productions for five Palaeo-Eskimo cultures in the easternmost Arctic. The lithic chaines operatoires is documented and explained thr...